9fin

Senior AI Engineer

9fin
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1 year ago
London, United KingdomSenior

Responsibilities

  • Design and build generative AI applications for complex financial and legal workflows.
  • Lead end-to-end model development and delivery, including experimentation, training, testing, monitoring, and deployment.
  • Apply techniques in information retrieval, embedding models, reranking, entity and relationship extraction, knowledge graphs, recommendation systems, tabular ML, and predictive modeling.
  • Translate complex business problems into well-scoped AI initiatives and evaluate their impact on end users.
  • Collaborate cross-functionally, mentor teammates, share ideas, and promote AI adoption across 9fin.
  • Research and apply advanced AI techniques while iterating on improvements.

Requirements

  • Strong proficiency in Python for production-ready delivery.
  • Deep expertise in at least one area such as information retrieval, entity and relationship extraction or resolution, knowledge graphs, recommendation and ranking systems, tabular ML, or statistical and predictive modeling.
  • Familiarity with embedding models, rerankers, GraphRAG, learning-to-rank, feed ranking, user modeling, GBDTs, supervised ML, anomaly detection, and temporal modeling is relevant to the role.
  • Deep understanding of the generative AI landscape and agentic frameworks.
  • Experience across the full model lifecycle, including experimentation, training, testing, monitoring, and deployment.
  • Strong product focus and interest in understanding the end-to-end impact of AI solutions for users.
  • Good knowledge of AWS AI infrastructure.

Benefits

  • Competitive salary, equity, pension contributions with 9fin matching up to 7%, private medical insurance, paid sick leave with income protection, and group life assurance.
  • Season ticket loan and Cycle to Work schemes.
  • 25 holiday days per year, local public holidays, enhanced parental leave, and flexible working arrangements.
  • Hybrid working model with the option to work abroad for up to 3 months per year.
  • One month of paid sabbatical after 5 years of service.
  • Professional learning and development budget and an AI experimentation budget of £800 per UK employee.
  • Quarterly team socials plus summer and winter company social events.
9fin

About 9fin

501-1,000 employees
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